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    • 4. 发明申请
    • SCROLL COMPRESSOR
    • 滚动压缩机
    • US20120128518A1
    • 2012-05-24
    • US13388344
    • 2011-06-09
    • Sadayuki YamadaAtsushi SakudaYoshiyuki FutagamiTakashi MorimotoNobuaki OgawaYoshifumi Abe
    • Sadayuki YamadaAtsushi SakudaYoshiyuki FutagamiTakashi MorimotoNobuaki OgawaYoshifumi Abe
    • F04C18/02
    • F04C18/0215F04C23/008F04C29/028F04C2270/701
    • A scroll compressor includes a back pressure chamber oil-feeding path for feeding lubricating oil from a high-pressure region to a back pressure chamber, and a compression chamber oil-feeding path for feeding lubricating oil from the back pressure chamber to a compression chamber. One phase in which the back pressure chamber oil-feeding path is communicated from the high-pressure region to the back pressure chamber and another phase in which the compression chamber oil-feeding path is communicated from the back pressure chamber to the compression chamber are shifted from each other, so that the back pressure chamber oil-feeding path and the compression chamber oil-feeding path are never put into the communicating state simultaneously. Thus, after a halt of the compressor, under-communication oil-feeding of the lubricating oil from the high-pressure region via the back pressure chamber to the compression chamber can be prevented, so that the lubricating oil in the liquid storage section is kept from decreasing and moreover the lubricating oil is kept from being filled into the compression chamber, make it possible to achieve a stable restart-up.
    • 涡旋压缩机包括用于将润滑油从高压区域供给到背压室的背压室供油路径和用于将润滑油从背压室供给到压缩室的压缩室供油路径。 背压室供油路径从高压区域传递到背压室的一个阶段和压缩室供油路径从背压室连通到压缩室的另一个相位被偏移 使得背压室供油路径和压缩室供油路径不会同时进入连通状态。 因此,在压缩机停止之后,可以防止润滑油从高压区域经由背压室向压缩室的不连通供油,从而保持液体存储部分中的润滑油 从而减少润滑油,并且不会将润滑油填充到压缩室中,使得可以实现稳定的重新起动。
    • 5. 发明申请
    • Scroll Compressor
    • 涡旋压缩机
    • US20080038133A1
    • 2008-02-14
    • US10560037
    • 2004-06-09
    • Kiyoshi SawaiNoboru IidaYoshiyuki FutagamiAkira HiwataTeruyuki Akazawa
    • Kiyoshi SawaiNoboru IidaYoshiyuki FutagamiAkira HiwataTeruyuki Akazawa
    • F04C18/02
    • F04C23/008F04C18/0215F04C27/005F04C29/023
    • A back pressure chamber 12 provided on a back surface of an orbiting scroll 5 is divided into an inner region 12a and an outer region 12b by an annular seal 11. A diameter d of the annular seal 11 is set 0.5 times or more of a diameter D of an orbiting mirror plate 5a. With this, plus thrust force can be applied to the orbiting scroll 5 irrespective of magnitude of a discharge pressure Pd applied to the inner region 12a. Therefore, it is possible to push the orbiting scroll 5 against the fixed scroll 4 only by back pressure of discharge pressure. A set pressure Pm of the outer region 12b is reduced to a value close to a suction pressure Ps, a pressure adjusting mechanism 20 is swiftly opened after a scroll compressor is started. With this, lubricant oil is supplied from the outer region 12b to the suction space 9 without a time lag.
    • 设置在绕动涡旋件5的后表面上的背压室12通过环形密封件11分成内部区域12a和外部区域12b。环形密封件11的直径d设定为0.5度以上 旋转镜板5a的直径D。 由此,无论施加到内部区域12a的排出压力Pd的大小如何,都可以向绕动涡旋件5施加加力推力。 因此,只有通过排出压力的反压力才能将绕动涡旋件5推靠在固定涡盘4上。 外部区域12b的设定压力Pm减小到接近吸入压力Ps的值,在涡旋式压缩机启动后,压力调节机构20迅速地打开。 由此,润滑油从外部区域12b被供给到吸入空间9而没有时间滞后。